Another extension to the Iranian nuclear talks could be worked out in November but Iran’s desire to have a large-scale uranium enrichment program remains a major obstacle, says expert Gary Samore.

A clear sign of a new Iranian nuclear posture will be if incoming president Hassan Rowhani pursues bilateral talks with the United States, says former top U.S. arms official Gary Samore.

CFR’s Gary Samore says North Korea’s declaration on its nuclear activities and lifting of sanctions by the United States marks "a useful initial step" but more work needs to be done to ensure disarma…

Gary Samore, who was active in nuclear diplomacy with North Korea in the Clinton administration, says the latest agreement between the United States and North Korea is only a "very modest step forwar…

Gary Sick, the director of Columbia University’s Middle East Institute, says that any warming trend in U.S.-Iranian relations has stalled. Despite “widespread dissent and dissatisfac…